1.   At the initial test outside Tokyo, one balloon bomb fell.

2.   By then, world attention was focused on the surrender of Germany and the balloon bombs diminished into an obscure historical footnote.

3.   Held prisoner with his family at the Japanese-American camp in Tulelake, Calif., Takeshita remembers rumors of balloon bombs launched from Japan.

4.   In September, one of the original developers of the balloon bombs also sent a message of apology to the families of those killed.

5.   It was the balloon bomb I designed.

6.   It would be decades before the Japanese realized so many of their balloon bombs had successfully crossed the Pacific.

7.   One balloon bomb fell in Montana.

8.   Japanese launched balloon bombs across Pacific in closing days of World War II.